Canon Kabushiki Kaisha

Akihiro Senoo

Kazunori Ueno

Akihito Saitoh

Koichi Suzuki

Naoki Yamada

Keiji Okinaka

Yuichi Hashimoto

Toshihiro Kikuchi

Takao Takiguchi

Hiroshi Tanabe

Hiroki Ohrui

Shinjiro Okada

Masataka Yashima

Jun Kamatani

Masashi Hashimoto

Satoshi Igawa

Tetsuya Kosuge

Tatsundo Kawai

Masato Tanaka

Kunihiko Sekido

Noboru Koumura

Hironobu Iwawaki

Yukio Nagase

Tetsuo Takahashi

Takayuki Ito

Yosuke Nishide

Kiyoshi Sakai

Koichi Nakata

Hirokazu Miyashita

Yoichi Osato

Teigo Sakakibara

Shigeru Suzuki

Seiji Mashimo

Chika Negishi

Jian Chen

Tetsuro Kanemaru

Masanori Muratsubaki

Yomishi Toshida

Mizuho Hiraoka

Masaki Kuribayashi

Ryoji Yashiro

Hidetoshi Tsuzuki

Yoshio Kashizaki

Maki Okajima

Hajime Miyazaki

Shigemoto Abe

Taiki Watanabe

Minako Nakasu

Toshinori Hasegawa

Shintetsu Go

Kouichi Nakata

Takakazu Tanaka

Kazushi Iuchi

Shinichi Urakawa

Satoru Shiobara

Hiroyuki Tomono

Masakazu Matsumoto

Kentaro Ito

Masumi Itabashi

Satoshi Ota

Shin Nagahara

Toshie Miyaji

Seiichi Yogi

Akihito Saito

Mizuho Hiraoki

Daisaku Tanaka

Tetsuro Kanamaru

An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.

Organic photoelectric conversion element, optical area sensor, imaging device, and imaging apparatus

It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.

Organic light emitting device

Provided is a novel dibenzo[a,c]anthracene compound having substituents, which can be used in an organic light emitting device.

Dibenzoanthracene compound and organic light emitting device having the same

Provided are a novel fused polycyclic aromatic compound having a fluoranthene skeleton and an organic light emitting device having high efficiency and high durability. The organic light emitting device includes a fused polycyclic aromatic compound represented by the following general formula [1] or [2], and the organic light emitting device includes an anode, a cathode, an organic compound layer interposed between the anode and the cathode, in which at least one layer of the organic compound layers includes at least one kind of the fused polycyclic aromatic compound represented by the following general formula [1] or [2]. 

Fused polycyclic aromatic compound and organic light emitting device using the compound

An amino compound for an organic light-emitting device of general formula [1]: wherein Xis bonded to the pair of fluorenyl groups at meta-positions to each other and is substituted or unsubstituted aromatic ring, fused polycyclic ring, or heterocyclic ring; Yand Yare each substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; Zto Zare each hydrogen, halogen, or substituted or unsubstituted alkyl, aralkyl, alkenyl, alkynyl, alkoxy, aryl, or heterocyclic and are the same or different; Rto Rare each hydrogen, halogen, or substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; a and d are each 1 to 4; and b and c are each 1 to 3.

Amino compound for organic light-emitting device and organic light-emitting device including the same

A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes. The organic compound layer contains the azafluorene derivative represented by the following general formula (I): 

Azafluorene derivative and organic light-emitting device using the derivative

To provide a material for an organic light emitting device showing a light emission hue with an extremely good purity and outputting light having high luminance and a long lifetime with high efficiency, the present invention relates to a fused heterocyclic compound having at least one partial structure represented by the following general formula [1]. 

Fused heterocyclic compound and organic light emitting device

There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically, there are provided a benzofluoranthene compound represented by the general formula shown below and an organic light-emitting device including a pair of electrodes including an anode and a cathode one of which is a transparent or translucent electrode material, and an organic compound layer disposed between the pair of electrodes and including a material for an organic light-emitting device containing the benzofluoranthene compound. In the general formula (1), one of X, X, X, X, X, and Xrepresents a substituted or unsubstituted fused heterocyclic group having four or less rings, and the others of X, X, X, X, X, and Xeach represent a hydrogen atom.

Benzofluoranthene compound and organic light-emitting device using the compound

To provide a novel fluoranthene derivative and an organic light emitting device having the fluoranthene derivative.

Compound and organic light emitting device

To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other in structure.

A novel phenanthroline compound is provided which is represented by the general formula [I]: (wherein R, R, R, R, Rand Rare the same or different and each is selected from a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aralkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group, and a halogen atom; and Arand Arare the same or different and each is selected from an unsubstituted or substituted fluorenyl group, an unsubstituted or substituted fluoranthenyl group, an unsubstituted or substituted perylenyl group, and an unsubstituted or substituted carbazolyl group). An organic light emitting device using the phenanthroline compound is also provided that has a light output with a high efficiency and a high luminance and has a high long-term durability.

Phenanthroline compound and organic light emitting device using same

An organic luminescent device having organic-compound layers is provided which takes on luminous hues with very good purity and has optical power with high efficiency, high luminance and a long life. At least one of the organic-compound layers contains a benzo[k]fluoranthene compound represented by the following general formula (1): wherein Ris a group selected from the group consisting of alkyl, aralkyl and a heterocyclic group which may be substituted, and R's may be the same or different; Rto Rare each independently a group selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, phenyl, a condensed bicyclic aromatic group and a heterocyclic group which may be substituted; and a is an integer of 0 or more to 9 or less.

Organic luminescent device and benzo[k]fluoranthene compound

An organic light-emitting device is provided which has an optical output with a high efficiency, a high luminance and a long life and which includes a pair of electrodes including an anode and a cathode, and at least one layer comprising an organic compound provided between the pair of electrodes, wherein at least one layer having a light-emitting region of the at least one layer comprising the organic compound comprises a first compound represented by the general formula (1): and a second compound having a bandgap larger than a bandgap of the first compound.

Organic light-emitting device

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Kawasaki, Japan

Akihiro Senoo